(NmEHANI^ESKIE SWOJSTWA GORNYH POROD (B/s - (NpROTODXQKONOW(B, (Nm(B.(Nm(B.s; (NiNSTITUT GORNOGO DELA an sssrs ((NmOSKWA (B:s (NiZD(B-(NWO an sssr(B,s, 1963)
Keywords: (NgEOLOGIQs; (NMEHANI^ESKIE SWOJSTWA GORNYH PORODs -- (NUSTANOWKI WYSOKOGO DAWLENIQs